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Add 4/24 and 45/70

4/24 + 45/70 is 17/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 70 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 24 × 35 = 840,
    4/24 = 4 × 35/24 × 35 = 140/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    45/70 = 45 × 12/70 × 12 = 540/840
  4. Add the two like fractions:
    140/840 + 540/840 = 140 + 540/840 = 680/840
  5. 680/840 simplified gives 17/21
  6. So, 4/24 + 45/70 = 17/21

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